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TARGET_NUCLEO_F746ZG/core_ca_mmu.h@134:ad3be0349dc5, 2017-01-16 (annotated)
- Committer:
- <>
- Date:
- Mon Jan 16 12:05:23 2017 +0000
- Revision:
- 134:ad3be0349dc5
- Parent:
- 115:87f2f5183dfb
Release 134 of the mbed library
Ports for Upcoming Targets
Fixes and Changes
3488: Dev stm i2c v2 unitary functions https://github.com/ARMmbed/mbed-os/pull/3488
3492: Fix #3463 CAN read() return value https://github.com/ARMmbed/mbed-os/pull/3492
3503: [LPC15xx] Ensure that PWM=1 is resolved correctly https://github.com/ARMmbed/mbed-os/pull/3503
3504: [LPC15xx] CAN implementation improvements https://github.com/ARMmbed/mbed-os/pull/3504
3539: NUCLEO_F412ZG - Add support of TRNG peripheral https://github.com/ARMmbed/mbed-os/pull/3539
3540: STM: SPI: Initialize Rx in spi_master_write https://github.com/ARMmbed/mbed-os/pull/3540
3438: K64F: Add support for SERIAL ASYNCH API https://github.com/ARMmbed/mbed-os/pull/3438
3519: MCUXpresso: Fix ENET driver to enable interrupts after interrupt handler is set https://github.com/ARMmbed/mbed-os/pull/3519
3544: STM32L4 deepsleep improvement https://github.com/ARMmbed/mbed-os/pull/3544
3546: NUCLEO-F412ZG - Add CAN peripheral https://github.com/ARMmbed/mbed-os/pull/3546
3551: Fix I2C driver for RZ/A1H https://github.com/ARMmbed/mbed-os/pull/3551
3558: K64F UART Asynch API: Fix synchronization issue https://github.com/ARMmbed/mbed-os/pull/3558
3563: LPC4088 - Fix vector checksum https://github.com/ARMmbed/mbed-os/pull/3563
3567: Dev stm32 F0 v1.7.0 https://github.com/ARMmbed/mbed-os/pull/3567
3577: Fixes linking errors when building with debug profile https://github.com/ARMmbed/mbed-os/pull/3577
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 115:87f2f5183dfb | 1 | ;/**************************************************************************//** |
Kojto | 115:87f2f5183dfb | 2 | ; * @file core_ca_mmu.h |
Kojto | 115:87f2f5183dfb | 3 | ; * @brief MMU Startup File for A9_MP Device Series |
Kojto | 115:87f2f5183dfb | 4 | ; * @version V1.01 |
Kojto | 115:87f2f5183dfb | 5 | ; * @date 10 Sept 2014 |
Kojto | 115:87f2f5183dfb | 6 | ; * |
Kojto | 115:87f2f5183dfb | 7 | ; * @note |
Kojto | 115:87f2f5183dfb | 8 | ; * |
Kojto | 115:87f2f5183dfb | 9 | ; ******************************************************************************/ |
Kojto | 115:87f2f5183dfb | 10 | ;/* Copyright (c) 2012-2014 ARM LIMITED |
Kojto | 115:87f2f5183dfb | 11 | ; |
Kojto | 115:87f2f5183dfb | 12 | ; All rights reserved. |
Kojto | 115:87f2f5183dfb | 13 | ; Redistribution and use in source and binary forms, with or without |
Kojto | 115:87f2f5183dfb | 14 | ; modification, are permitted provided that the following conditions are met: |
Kojto | 115:87f2f5183dfb | 15 | ; - Redistributions of source code must retain the above copyright |
Kojto | 115:87f2f5183dfb | 16 | ; notice, this list of conditions and the following disclaimer. |
Kojto | 115:87f2f5183dfb | 17 | ; - Redistributions in binary form must reproduce the above copyright |
Kojto | 115:87f2f5183dfb | 18 | ; notice, this list of conditions and the following disclaimer in the |
Kojto | 115:87f2f5183dfb | 19 | ; documentation and/or other materials provided with the distribution. |
Kojto | 115:87f2f5183dfb | 20 | ; - Neither the name of ARM nor the names of its contributors may be used |
Kojto | 115:87f2f5183dfb | 21 | ; to endorse or promote products derived from this software without |
Kojto | 115:87f2f5183dfb | 22 | ; specific prior written permission. |
Kojto | 115:87f2f5183dfb | 23 | ; * |
Kojto | 115:87f2f5183dfb | 24 | ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Kojto | 115:87f2f5183dfb | 25 | ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
Kojto | 115:87f2f5183dfb | 26 | ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
Kojto | 115:87f2f5183dfb | 27 | ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
Kojto | 115:87f2f5183dfb | 28 | ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
Kojto | 115:87f2f5183dfb | 29 | ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
Kojto | 115:87f2f5183dfb | 30 | ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
Kojto | 115:87f2f5183dfb | 31 | ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
Kojto | 115:87f2f5183dfb | 32 | ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
Kojto | 115:87f2f5183dfb | 33 | ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
Kojto | 115:87f2f5183dfb | 34 | ; POSSIBILITY OF SUCH DAMAGE. |
Kojto | 115:87f2f5183dfb | 35 | ; ---------------------------------------------------------------------------*/ |
Kojto | 115:87f2f5183dfb | 36 | |
Kojto | 115:87f2f5183dfb | 37 | #ifdef __cplusplus |
Kojto | 115:87f2f5183dfb | 38 | extern "C" { |
Kojto | 115:87f2f5183dfb | 39 | #endif |
Kojto | 115:87f2f5183dfb | 40 | |
Kojto | 115:87f2f5183dfb | 41 | #ifndef _MMU_FUNC_H |
Kojto | 115:87f2f5183dfb | 42 | #define _MMU_FUNC_H |
Kojto | 115:87f2f5183dfb | 43 | |
Kojto | 115:87f2f5183dfb | 44 | #define SECTION_DESCRIPTOR (0x2) |
Kojto | 115:87f2f5183dfb | 45 | #define SECTION_MASK (0xFFFFFFFC) |
Kojto | 115:87f2f5183dfb | 46 | |
Kojto | 115:87f2f5183dfb | 47 | #define SECTION_TEXCB_MASK (0xFFFF8FF3) |
Kojto | 115:87f2f5183dfb | 48 | #define SECTION_B_SHIFT (2) |
Kojto | 115:87f2f5183dfb | 49 | #define SECTION_C_SHIFT (3) |
Kojto | 115:87f2f5183dfb | 50 | #define SECTION_TEX0_SHIFT (12) |
Kojto | 115:87f2f5183dfb | 51 | #define SECTION_TEX1_SHIFT (13) |
Kojto | 115:87f2f5183dfb | 52 | #define SECTION_TEX2_SHIFT (14) |
Kojto | 115:87f2f5183dfb | 53 | |
Kojto | 115:87f2f5183dfb | 54 | #define SECTION_XN_MASK (0xFFFFFFEF) |
Kojto | 115:87f2f5183dfb | 55 | #define SECTION_XN_SHIFT (4) |
Kojto | 115:87f2f5183dfb | 56 | |
Kojto | 115:87f2f5183dfb | 57 | #define SECTION_DOMAIN_MASK (0xFFFFFE1F) |
Kojto | 115:87f2f5183dfb | 58 | #define SECTION_DOMAIN_SHIFT (5) |
Kojto | 115:87f2f5183dfb | 59 | |
Kojto | 115:87f2f5183dfb | 60 | #define SECTION_P_MASK (0xFFFFFDFF) |
Kojto | 115:87f2f5183dfb | 61 | #define SECTION_P_SHIFT (9) |
Kojto | 115:87f2f5183dfb | 62 | |
Kojto | 115:87f2f5183dfb | 63 | #define SECTION_AP_MASK (0xFFFF73FF) |
Kojto | 115:87f2f5183dfb | 64 | #define SECTION_AP_SHIFT (10) |
Kojto | 115:87f2f5183dfb | 65 | #define SECTION_AP2_SHIFT (15) |
Kojto | 115:87f2f5183dfb | 66 | |
Kojto | 115:87f2f5183dfb | 67 | #define SECTION_S_MASK (0xFFFEFFFF) |
Kojto | 115:87f2f5183dfb | 68 | #define SECTION_S_SHIFT (16) |
Kojto | 115:87f2f5183dfb | 69 | |
Kojto | 115:87f2f5183dfb | 70 | #define SECTION_NG_MASK (0xFFFDFFFF) |
Kojto | 115:87f2f5183dfb | 71 | #define SECTION_NG_SHIFT (17) |
Kojto | 115:87f2f5183dfb | 72 | |
Kojto | 115:87f2f5183dfb | 73 | #define SECTION_NS_MASK (0xFFF7FFFF) |
Kojto | 115:87f2f5183dfb | 74 | #define SECTION_NS_SHIFT (19) |
Kojto | 115:87f2f5183dfb | 75 | |
Kojto | 115:87f2f5183dfb | 76 | |
Kojto | 115:87f2f5183dfb | 77 | #define PAGE_L1_DESCRIPTOR (0x1) |
Kojto | 115:87f2f5183dfb | 78 | #define PAGE_L1_MASK (0xFFFFFFFC) |
Kojto | 115:87f2f5183dfb | 79 | |
Kojto | 115:87f2f5183dfb | 80 | #define PAGE_L2_4K_DESC (0x2) |
Kojto | 115:87f2f5183dfb | 81 | #define PAGE_L2_4K_MASK (0xFFFFFFFD) |
Kojto | 115:87f2f5183dfb | 82 | |
Kojto | 115:87f2f5183dfb | 83 | #define PAGE_L2_64K_DESC (0x1) |
Kojto | 115:87f2f5183dfb | 84 | #define PAGE_L2_64K_MASK (0xFFFFFFFC) |
Kojto | 115:87f2f5183dfb | 85 | |
Kojto | 115:87f2f5183dfb | 86 | #define PAGE_4K_TEXCB_MASK (0xFFFFFE33) |
Kojto | 115:87f2f5183dfb | 87 | #define PAGE_4K_B_SHIFT (2) |
Kojto | 115:87f2f5183dfb | 88 | #define PAGE_4K_C_SHIFT (3) |
Kojto | 115:87f2f5183dfb | 89 | #define PAGE_4K_TEX0_SHIFT (6) |
Kojto | 115:87f2f5183dfb | 90 | #define PAGE_4K_TEX1_SHIFT (7) |
Kojto | 115:87f2f5183dfb | 91 | #define PAGE_4K_TEX2_SHIFT (8) |
Kojto | 115:87f2f5183dfb | 92 | |
Kojto | 115:87f2f5183dfb | 93 | #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3) |
Kojto | 115:87f2f5183dfb | 94 | #define PAGE_64K_B_SHIFT (2) |
Kojto | 115:87f2f5183dfb | 95 | #define PAGE_64K_C_SHIFT (3) |
Kojto | 115:87f2f5183dfb | 96 | #define PAGE_64K_TEX0_SHIFT (12) |
Kojto | 115:87f2f5183dfb | 97 | #define PAGE_64K_TEX1_SHIFT (13) |
Kojto | 115:87f2f5183dfb | 98 | #define PAGE_64K_TEX2_SHIFT (14) |
Kojto | 115:87f2f5183dfb | 99 | |
Kojto | 115:87f2f5183dfb | 100 | #define PAGE_TEXCB_MASK (0xFFFF8FF3) |
Kojto | 115:87f2f5183dfb | 101 | #define PAGE_B_SHIFT (2) |
Kojto | 115:87f2f5183dfb | 102 | #define PAGE_C_SHIFT (3) |
Kojto | 115:87f2f5183dfb | 103 | #define PAGE_TEX_SHIFT (12) |
Kojto | 115:87f2f5183dfb | 104 | |
Kojto | 115:87f2f5183dfb | 105 | #define PAGE_XN_4K_MASK (0xFFFFFFFE) |
Kojto | 115:87f2f5183dfb | 106 | #define PAGE_XN_4K_SHIFT (0) |
Kojto | 115:87f2f5183dfb | 107 | #define PAGE_XN_64K_MASK (0xFFFF7FFF) |
Kojto | 115:87f2f5183dfb | 108 | #define PAGE_XN_64K_SHIFT (15) |
Kojto | 115:87f2f5183dfb | 109 | |
Kojto | 115:87f2f5183dfb | 110 | |
Kojto | 115:87f2f5183dfb | 111 | #define PAGE_DOMAIN_MASK (0xFFFFFE1F) |
Kojto | 115:87f2f5183dfb | 112 | #define PAGE_DOMAIN_SHIFT (5) |
Kojto | 115:87f2f5183dfb | 113 | |
Kojto | 115:87f2f5183dfb | 114 | #define PAGE_P_MASK (0xFFFFFDFF) |
Kojto | 115:87f2f5183dfb | 115 | #define PAGE_P_SHIFT (9) |
Kojto | 115:87f2f5183dfb | 116 | |
Kojto | 115:87f2f5183dfb | 117 | #define PAGE_AP_MASK (0xFFFFFDCF) |
Kojto | 115:87f2f5183dfb | 118 | #define PAGE_AP_SHIFT (4) |
Kojto | 115:87f2f5183dfb | 119 | #define PAGE_AP2_SHIFT (9) |
Kojto | 115:87f2f5183dfb | 120 | |
Kojto | 115:87f2f5183dfb | 121 | #define PAGE_S_MASK (0xFFFFFBFF) |
Kojto | 115:87f2f5183dfb | 122 | #define PAGE_S_SHIFT (10) |
Kojto | 115:87f2f5183dfb | 123 | |
Kojto | 115:87f2f5183dfb | 124 | #define PAGE_NG_MASK (0xFFFFF7FF) |
Kojto | 115:87f2f5183dfb | 125 | #define PAGE_NG_SHIFT (11) |
Kojto | 115:87f2f5183dfb | 126 | |
Kojto | 115:87f2f5183dfb | 127 | #define PAGE_NS_MASK (0xFFFFFFF7) |
Kojto | 115:87f2f5183dfb | 128 | #define PAGE_NS_SHIFT (3) |
Kojto | 115:87f2f5183dfb | 129 | |
Kojto | 115:87f2f5183dfb | 130 | #define OFFSET_1M (0x00100000) |
Kojto | 115:87f2f5183dfb | 131 | #define OFFSET_64K (0x00010000) |
Kojto | 115:87f2f5183dfb | 132 | #define OFFSET_4K (0x00001000) |
Kojto | 115:87f2f5183dfb | 133 | |
Kojto | 115:87f2f5183dfb | 134 | #define DESCRIPTOR_FAULT (0x00000000) |
Kojto | 115:87f2f5183dfb | 135 | |
Kojto | 115:87f2f5183dfb | 136 | /* ########################### MMU Function Access ########################### */ |
Kojto | 115:87f2f5183dfb | 137 | /** \ingroup MMU_FunctionInterface |
Kojto | 115:87f2f5183dfb | 138 | \defgroup MMU_Functions MMU Functions Interface |
Kojto | 115:87f2f5183dfb | 139 | @{ |
Kojto | 115:87f2f5183dfb | 140 | */ |
Kojto | 115:87f2f5183dfb | 141 | |
Kojto | 115:87f2f5183dfb | 142 | /* Attributes enumerations */ |
Kojto | 115:87f2f5183dfb | 143 | |
Kojto | 115:87f2f5183dfb | 144 | /* Region size attributes */ |
Kojto | 115:87f2f5183dfb | 145 | typedef enum |
Kojto | 115:87f2f5183dfb | 146 | { |
Kojto | 115:87f2f5183dfb | 147 | SECTION, |
Kojto | 115:87f2f5183dfb | 148 | PAGE_4k, |
Kojto | 115:87f2f5183dfb | 149 | PAGE_64k, |
Kojto | 115:87f2f5183dfb | 150 | } mmu_region_size_Type; |
Kojto | 115:87f2f5183dfb | 151 | |
Kojto | 115:87f2f5183dfb | 152 | /* Region type attributes */ |
Kojto | 115:87f2f5183dfb | 153 | typedef enum |
Kojto | 115:87f2f5183dfb | 154 | { |
Kojto | 115:87f2f5183dfb | 155 | NORMAL, |
Kojto | 115:87f2f5183dfb | 156 | DEVICE, |
Kojto | 115:87f2f5183dfb | 157 | SHARED_DEVICE, |
Kojto | 115:87f2f5183dfb | 158 | NON_SHARED_DEVICE, |
Kojto | 115:87f2f5183dfb | 159 | STRONGLY_ORDERED |
Kojto | 115:87f2f5183dfb | 160 | } mmu_memory_Type; |
Kojto | 115:87f2f5183dfb | 161 | |
Kojto | 115:87f2f5183dfb | 162 | /* Region cacheability attributes */ |
Kojto | 115:87f2f5183dfb | 163 | typedef enum |
Kojto | 115:87f2f5183dfb | 164 | { |
Kojto | 115:87f2f5183dfb | 165 | NON_CACHEABLE, |
Kojto | 115:87f2f5183dfb | 166 | WB_WA, |
Kojto | 115:87f2f5183dfb | 167 | WT, |
Kojto | 115:87f2f5183dfb | 168 | WB_NO_WA, |
Kojto | 115:87f2f5183dfb | 169 | } mmu_cacheability_Type; |
Kojto | 115:87f2f5183dfb | 170 | |
Kojto | 115:87f2f5183dfb | 171 | /* Region parity check attributes */ |
Kojto | 115:87f2f5183dfb | 172 | typedef enum |
Kojto | 115:87f2f5183dfb | 173 | { |
Kojto | 115:87f2f5183dfb | 174 | ECC_DISABLED, |
Kojto | 115:87f2f5183dfb | 175 | ECC_ENABLED, |
Kojto | 115:87f2f5183dfb | 176 | } mmu_ecc_check_Type; |
Kojto | 115:87f2f5183dfb | 177 | |
Kojto | 115:87f2f5183dfb | 178 | /* Region execution attributes */ |
Kojto | 115:87f2f5183dfb | 179 | typedef enum |
Kojto | 115:87f2f5183dfb | 180 | { |
Kojto | 115:87f2f5183dfb | 181 | EXECUTE, |
Kojto | 115:87f2f5183dfb | 182 | NON_EXECUTE, |
Kojto | 115:87f2f5183dfb | 183 | } mmu_execute_Type; |
Kojto | 115:87f2f5183dfb | 184 | |
Kojto | 115:87f2f5183dfb | 185 | /* Region global attributes */ |
Kojto | 115:87f2f5183dfb | 186 | typedef enum |
Kojto | 115:87f2f5183dfb | 187 | { |
Kojto | 115:87f2f5183dfb | 188 | GLOBAL, |
Kojto | 115:87f2f5183dfb | 189 | NON_GLOBAL, |
Kojto | 115:87f2f5183dfb | 190 | } mmu_global_Type; |
Kojto | 115:87f2f5183dfb | 191 | |
Kojto | 115:87f2f5183dfb | 192 | /* Region shareability attributes */ |
Kojto | 115:87f2f5183dfb | 193 | typedef enum |
Kojto | 115:87f2f5183dfb | 194 | { |
Kojto | 115:87f2f5183dfb | 195 | NON_SHARED, |
Kojto | 115:87f2f5183dfb | 196 | SHARED, |
Kojto | 115:87f2f5183dfb | 197 | } mmu_shared_Type; |
Kojto | 115:87f2f5183dfb | 198 | |
Kojto | 115:87f2f5183dfb | 199 | /* Region security attributes */ |
Kojto | 115:87f2f5183dfb | 200 | typedef enum |
Kojto | 115:87f2f5183dfb | 201 | { |
Kojto | 115:87f2f5183dfb | 202 | SECURE, |
Kojto | 115:87f2f5183dfb | 203 | NON_SECURE, |
Kojto | 115:87f2f5183dfb | 204 | } mmu_secure_Type; |
Kojto | 115:87f2f5183dfb | 205 | |
Kojto | 115:87f2f5183dfb | 206 | /* Region access attributes */ |
Kojto | 115:87f2f5183dfb | 207 | typedef enum |
Kojto | 115:87f2f5183dfb | 208 | { |
Kojto | 115:87f2f5183dfb | 209 | NO_ACCESS, |
Kojto | 115:87f2f5183dfb | 210 | RW, |
Kojto | 115:87f2f5183dfb | 211 | READ, |
Kojto | 115:87f2f5183dfb | 212 | } mmu_access_Type; |
Kojto | 115:87f2f5183dfb | 213 | |
Kojto | 115:87f2f5183dfb | 214 | /* Memory Region definition */ |
Kojto | 115:87f2f5183dfb | 215 | typedef struct RegionStruct { |
Kojto | 115:87f2f5183dfb | 216 | mmu_region_size_Type rg_t; |
Kojto | 115:87f2f5183dfb | 217 | mmu_memory_Type mem_t; |
Kojto | 115:87f2f5183dfb | 218 | uint8_t domain; |
Kojto | 115:87f2f5183dfb | 219 | mmu_cacheability_Type inner_norm_t; |
Kojto | 115:87f2f5183dfb | 220 | mmu_cacheability_Type outer_norm_t; |
Kojto | 115:87f2f5183dfb | 221 | mmu_ecc_check_Type e_t; |
Kojto | 115:87f2f5183dfb | 222 | mmu_execute_Type xn_t; |
Kojto | 115:87f2f5183dfb | 223 | mmu_global_Type g_t; |
Kojto | 115:87f2f5183dfb | 224 | mmu_secure_Type sec_t; |
Kojto | 115:87f2f5183dfb | 225 | mmu_access_Type priv_t; |
Kojto | 115:87f2f5183dfb | 226 | mmu_access_Type user_t; |
Kojto | 115:87f2f5183dfb | 227 | mmu_shared_Type sh_t; |
Kojto | 115:87f2f5183dfb | 228 | |
Kojto | 115:87f2f5183dfb | 229 | } mmu_region_attributes_Type; |
Kojto | 115:87f2f5183dfb | 230 | |
Kojto | 115:87f2f5183dfb | 231 | /** \brief Set section execution-never attribute |
Kojto | 115:87f2f5183dfb | 232 | |
Kojto | 115:87f2f5183dfb | 233 | The function sets section execution-never attribute |
Kojto | 115:87f2f5183dfb | 234 | |
Kojto | 115:87f2f5183dfb | 235 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 236 | \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE. |
Kojto | 115:87f2f5183dfb | 237 | |
Kojto | 115:87f2f5183dfb | 238 | \return 0 |
Kojto | 115:87f2f5183dfb | 239 | */ |
Kojto | 115:87f2f5183dfb | 240 | __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn) |
Kojto | 115:87f2f5183dfb | 241 | { |
Kojto | 115:87f2f5183dfb | 242 | *descriptor_l1 &= SECTION_XN_MASK; |
Kojto | 115:87f2f5183dfb | 243 | *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT); |
Kojto | 115:87f2f5183dfb | 244 | return 0; |
Kojto | 115:87f2f5183dfb | 245 | } |
Kojto | 115:87f2f5183dfb | 246 | |
Kojto | 115:87f2f5183dfb | 247 | /** \brief Set section domain |
Kojto | 115:87f2f5183dfb | 248 | |
Kojto | 115:87f2f5183dfb | 249 | The function sets section domain |
Kojto | 115:87f2f5183dfb | 250 | |
Kojto | 115:87f2f5183dfb | 251 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 252 | \param [in] domain Section domain |
Kojto | 115:87f2f5183dfb | 253 | |
Kojto | 115:87f2f5183dfb | 254 | \return 0 |
Kojto | 115:87f2f5183dfb | 255 | */ |
Kojto | 115:87f2f5183dfb | 256 | __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain) |
Kojto | 115:87f2f5183dfb | 257 | { |
Kojto | 115:87f2f5183dfb | 258 | *descriptor_l1 &= SECTION_DOMAIN_MASK; |
Kojto | 115:87f2f5183dfb | 259 | *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT); |
Kojto | 115:87f2f5183dfb | 260 | return 0; |
Kojto | 115:87f2f5183dfb | 261 | } |
Kojto | 115:87f2f5183dfb | 262 | |
Kojto | 115:87f2f5183dfb | 263 | /** \brief Set section parity check |
Kojto | 115:87f2f5183dfb | 264 | |
Kojto | 115:87f2f5183dfb | 265 | The function sets section parity check |
Kojto | 115:87f2f5183dfb | 266 | |
Kojto | 115:87f2f5183dfb | 267 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 268 | \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED |
Kojto | 115:87f2f5183dfb | 269 | |
Kojto | 115:87f2f5183dfb | 270 | \return 0 |
Kojto | 115:87f2f5183dfb | 271 | */ |
Kojto | 115:87f2f5183dfb | 272 | __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) |
Kojto | 115:87f2f5183dfb | 273 | { |
Kojto | 115:87f2f5183dfb | 274 | *descriptor_l1 &= SECTION_P_MASK; |
Kojto | 115:87f2f5183dfb | 275 | *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); |
Kojto | 115:87f2f5183dfb | 276 | return 0; |
Kojto | 115:87f2f5183dfb | 277 | } |
Kojto | 115:87f2f5183dfb | 278 | |
Kojto | 115:87f2f5183dfb | 279 | /** \brief Set section access privileges |
Kojto | 115:87f2f5183dfb | 280 | |
Kojto | 115:87f2f5183dfb | 281 | The function sets section access privileges |
Kojto | 115:87f2f5183dfb | 282 | |
Kojto | 115:87f2f5183dfb | 283 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 284 | \param [in] user User Level Access: NO_ACCESS, RW, READ |
Kojto | 115:87f2f5183dfb | 285 | \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ |
Kojto | 115:87f2f5183dfb | 286 | \param [in] afe Access flag enable |
Kojto | 115:87f2f5183dfb | 287 | |
Kojto | 115:87f2f5183dfb | 288 | \return 0 |
Kojto | 115:87f2f5183dfb | 289 | */ |
Kojto | 115:87f2f5183dfb | 290 | __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) |
Kojto | 115:87f2f5183dfb | 291 | { |
Kojto | 115:87f2f5183dfb | 292 | uint32_t ap = 0; |
Kojto | 115:87f2f5183dfb | 293 | |
Kojto | 115:87f2f5183dfb | 294 | if (afe == 0) { //full access |
Kojto | 115:87f2f5183dfb | 295 | if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } |
Kojto | 115:87f2f5183dfb | 296 | else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } |
Kojto | 115:87f2f5183dfb | 297 | else if ((priv == RW) && (user == READ)) { ap = 0x2; } |
Kojto | 115:87f2f5183dfb | 298 | else if ((priv == RW) && (user == RW)) { ap = 0x3; } |
Kojto | 115:87f2f5183dfb | 299 | else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } |
Kojto | 115:87f2f5183dfb | 300 | else if ((priv == READ) && (user == READ)) { ap = 0x7; } |
Kojto | 115:87f2f5183dfb | 301 | } |
Kojto | 115:87f2f5183dfb | 302 | |
Kojto | 115:87f2f5183dfb | 303 | else { //Simplified access |
Kojto | 115:87f2f5183dfb | 304 | if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } |
Kojto | 115:87f2f5183dfb | 305 | else if ((priv == RW) && (user == RW)) { ap = 0x3; } |
Kojto | 115:87f2f5183dfb | 306 | else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } |
Kojto | 115:87f2f5183dfb | 307 | else if ((priv == READ) && (user == READ)) { ap = 0x7; } |
Kojto | 115:87f2f5183dfb | 308 | } |
Kojto | 115:87f2f5183dfb | 309 | |
Kojto | 115:87f2f5183dfb | 310 | *descriptor_l1 &= SECTION_AP_MASK; |
Kojto | 115:87f2f5183dfb | 311 | *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT; |
Kojto | 115:87f2f5183dfb | 312 | *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT; |
Kojto | 115:87f2f5183dfb | 313 | |
Kojto | 115:87f2f5183dfb | 314 | return 0; |
Kojto | 115:87f2f5183dfb | 315 | } |
Kojto | 115:87f2f5183dfb | 316 | |
Kojto | 115:87f2f5183dfb | 317 | /** \brief Set section shareability |
Kojto | 115:87f2f5183dfb | 318 | |
Kojto | 115:87f2f5183dfb | 319 | The function sets section shareability |
Kojto | 115:87f2f5183dfb | 320 | |
Kojto | 115:87f2f5183dfb | 321 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 322 | \param [in] s_bit Section shareability: NON_SHARED, SHARED |
Kojto | 115:87f2f5183dfb | 323 | |
Kojto | 115:87f2f5183dfb | 324 | \return 0 |
Kojto | 115:87f2f5183dfb | 325 | */ |
Kojto | 115:87f2f5183dfb | 326 | __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit) |
Kojto | 115:87f2f5183dfb | 327 | { |
Kojto | 115:87f2f5183dfb | 328 | *descriptor_l1 &= SECTION_S_MASK; |
Kojto | 115:87f2f5183dfb | 329 | *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT); |
Kojto | 115:87f2f5183dfb | 330 | return 0; |
Kojto | 115:87f2f5183dfb | 331 | } |
Kojto | 115:87f2f5183dfb | 332 | |
Kojto | 115:87f2f5183dfb | 333 | /** \brief Set section Global attribute |
Kojto | 115:87f2f5183dfb | 334 | |
Kojto | 115:87f2f5183dfb | 335 | The function sets section Global attribute |
Kojto | 115:87f2f5183dfb | 336 | |
Kojto | 115:87f2f5183dfb | 337 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 338 | \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL |
Kojto | 115:87f2f5183dfb | 339 | |
Kojto | 115:87f2f5183dfb | 340 | \return 0 |
Kojto | 115:87f2f5183dfb | 341 | */ |
Kojto | 115:87f2f5183dfb | 342 | __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit) |
Kojto | 115:87f2f5183dfb | 343 | { |
Kojto | 115:87f2f5183dfb | 344 | *descriptor_l1 &= SECTION_NG_MASK; |
Kojto | 115:87f2f5183dfb | 345 | *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT); |
Kojto | 115:87f2f5183dfb | 346 | return 0; |
Kojto | 115:87f2f5183dfb | 347 | } |
Kojto | 115:87f2f5183dfb | 348 | |
Kojto | 115:87f2f5183dfb | 349 | /** \brief Set section Security attribute |
Kojto | 115:87f2f5183dfb | 350 | |
Kojto | 115:87f2f5183dfb | 351 | The function sets section Global attribute |
Kojto | 115:87f2f5183dfb | 352 | |
Kojto | 115:87f2f5183dfb | 353 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 354 | \param [in] s_bit Section Security attribute: SECURE, NON_SECURE |
Kojto | 115:87f2f5183dfb | 355 | |
Kojto | 115:87f2f5183dfb | 356 | \return 0 |
Kojto | 115:87f2f5183dfb | 357 | */ |
Kojto | 115:87f2f5183dfb | 358 | __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit) |
Kojto | 115:87f2f5183dfb | 359 | { |
Kojto | 115:87f2f5183dfb | 360 | *descriptor_l1 &= SECTION_NS_MASK; |
Kojto | 115:87f2f5183dfb | 361 | *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT); |
Kojto | 115:87f2f5183dfb | 362 | return 0; |
Kojto | 115:87f2f5183dfb | 363 | } |
Kojto | 115:87f2f5183dfb | 364 | |
Kojto | 115:87f2f5183dfb | 365 | /* Page 4k or 64k */ |
Kojto | 115:87f2f5183dfb | 366 | /** \brief Set 4k/64k page execution-never attribute |
Kojto | 115:87f2f5183dfb | 367 | |
Kojto | 115:87f2f5183dfb | 368 | The function sets 4k/64k page execution-never attribute |
Kojto | 115:87f2f5183dfb | 369 | |
Kojto | 115:87f2f5183dfb | 370 | \param [out] descriptor_l2 L2 descriptor. |
Kojto | 115:87f2f5183dfb | 371 | \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE. |
Kojto | 115:87f2f5183dfb | 372 | \param [in] page Page size: PAGE_4k, PAGE_64k, |
Kojto | 115:87f2f5183dfb | 373 | |
Kojto | 115:87f2f5183dfb | 374 | \return 0 |
Kojto | 115:87f2f5183dfb | 375 | */ |
Kojto | 115:87f2f5183dfb | 376 | __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page) |
Kojto | 115:87f2f5183dfb | 377 | { |
Kojto | 115:87f2f5183dfb | 378 | if (page == PAGE_4k) |
Kojto | 115:87f2f5183dfb | 379 | { |
Kojto | 115:87f2f5183dfb | 380 | *descriptor_l2 &= PAGE_XN_4K_MASK; |
Kojto | 115:87f2f5183dfb | 381 | *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT); |
Kojto | 115:87f2f5183dfb | 382 | } |
Kojto | 115:87f2f5183dfb | 383 | else |
Kojto | 115:87f2f5183dfb | 384 | { |
Kojto | 115:87f2f5183dfb | 385 | *descriptor_l2 &= PAGE_XN_64K_MASK; |
Kojto | 115:87f2f5183dfb | 386 | *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT); |
Kojto | 115:87f2f5183dfb | 387 | } |
Kojto | 115:87f2f5183dfb | 388 | return 0; |
Kojto | 115:87f2f5183dfb | 389 | } |
Kojto | 115:87f2f5183dfb | 390 | |
Kojto | 115:87f2f5183dfb | 391 | /** \brief Set 4k/64k page domain |
Kojto | 115:87f2f5183dfb | 392 | |
Kojto | 115:87f2f5183dfb | 393 | The function sets 4k/64k page domain |
Kojto | 115:87f2f5183dfb | 394 | |
Kojto | 115:87f2f5183dfb | 395 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 396 | \param [in] domain Page domain |
Kojto | 115:87f2f5183dfb | 397 | |
Kojto | 115:87f2f5183dfb | 398 | \return 0 |
Kojto | 115:87f2f5183dfb | 399 | */ |
Kojto | 115:87f2f5183dfb | 400 | __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain) |
Kojto | 115:87f2f5183dfb | 401 | { |
Kojto | 115:87f2f5183dfb | 402 | *descriptor_l1 &= PAGE_DOMAIN_MASK; |
Kojto | 115:87f2f5183dfb | 403 | *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT); |
Kojto | 115:87f2f5183dfb | 404 | return 0; |
Kojto | 115:87f2f5183dfb | 405 | } |
Kojto | 115:87f2f5183dfb | 406 | |
Kojto | 115:87f2f5183dfb | 407 | /** \brief Set 4k/64k page parity check |
Kojto | 115:87f2f5183dfb | 408 | |
Kojto | 115:87f2f5183dfb | 409 | The function sets 4k/64k page parity check |
Kojto | 115:87f2f5183dfb | 410 | |
Kojto | 115:87f2f5183dfb | 411 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 412 | \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED |
Kojto | 115:87f2f5183dfb | 413 | |
Kojto | 115:87f2f5183dfb | 414 | \return 0 |
Kojto | 115:87f2f5183dfb | 415 | */ |
Kojto | 115:87f2f5183dfb | 416 | __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit) |
Kojto | 115:87f2f5183dfb | 417 | { |
Kojto | 115:87f2f5183dfb | 418 | *descriptor_l1 &= SECTION_P_MASK; |
Kojto | 115:87f2f5183dfb | 419 | *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT); |
Kojto | 115:87f2f5183dfb | 420 | return 0; |
Kojto | 115:87f2f5183dfb | 421 | } |
Kojto | 115:87f2f5183dfb | 422 | |
Kojto | 115:87f2f5183dfb | 423 | /** \brief Set 4k/64k page access privileges |
Kojto | 115:87f2f5183dfb | 424 | |
Kojto | 115:87f2f5183dfb | 425 | The function sets 4k/64k page access privileges |
Kojto | 115:87f2f5183dfb | 426 | |
Kojto | 115:87f2f5183dfb | 427 | \param [out] descriptor_l2 L2 descriptor. |
Kojto | 115:87f2f5183dfb | 428 | \param [in] user User Level Access: NO_ACCESS, RW, READ |
Kojto | 115:87f2f5183dfb | 429 | \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ |
Kojto | 115:87f2f5183dfb | 430 | \param [in] afe Access flag enable |
Kojto | 115:87f2f5183dfb | 431 | |
Kojto | 115:87f2f5183dfb | 432 | \return 0 |
Kojto | 115:87f2f5183dfb | 433 | */ |
Kojto | 115:87f2f5183dfb | 434 | __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe) |
Kojto | 115:87f2f5183dfb | 435 | { |
Kojto | 115:87f2f5183dfb | 436 | uint32_t ap = 0; |
Kojto | 115:87f2f5183dfb | 437 | |
Kojto | 115:87f2f5183dfb | 438 | if (afe == 0) { //full access |
Kojto | 115:87f2f5183dfb | 439 | if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; } |
Kojto | 115:87f2f5183dfb | 440 | else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } |
Kojto | 115:87f2f5183dfb | 441 | else if ((priv == RW) && (user == READ)) { ap = 0x2; } |
Kojto | 115:87f2f5183dfb | 442 | else if ((priv == RW) && (user == RW)) { ap = 0x3; } |
Kojto | 115:87f2f5183dfb | 443 | else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } |
Kojto | 115:87f2f5183dfb | 444 | else if ((priv == READ) && (user == READ)) { ap = 0x6; } |
Kojto | 115:87f2f5183dfb | 445 | } |
Kojto | 115:87f2f5183dfb | 446 | |
Kojto | 115:87f2f5183dfb | 447 | else { //Simplified access |
Kojto | 115:87f2f5183dfb | 448 | if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; } |
Kojto | 115:87f2f5183dfb | 449 | else if ((priv == RW) && (user == RW)) { ap = 0x3; } |
Kojto | 115:87f2f5183dfb | 450 | else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; } |
Kojto | 115:87f2f5183dfb | 451 | else if ((priv == READ) && (user == READ)) { ap = 0x7; } |
Kojto | 115:87f2f5183dfb | 452 | } |
Kojto | 115:87f2f5183dfb | 453 | |
Kojto | 115:87f2f5183dfb | 454 | *descriptor_l2 &= PAGE_AP_MASK; |
Kojto | 115:87f2f5183dfb | 455 | *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT; |
Kojto | 115:87f2f5183dfb | 456 | *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT; |
Kojto | 115:87f2f5183dfb | 457 | |
Kojto | 115:87f2f5183dfb | 458 | return 0; |
Kojto | 115:87f2f5183dfb | 459 | } |
Kojto | 115:87f2f5183dfb | 460 | |
Kojto | 115:87f2f5183dfb | 461 | /** \brief Set 4k/64k page shareability |
Kojto | 115:87f2f5183dfb | 462 | |
Kojto | 115:87f2f5183dfb | 463 | The function sets 4k/64k page shareability |
Kojto | 115:87f2f5183dfb | 464 | |
Kojto | 115:87f2f5183dfb | 465 | \param [out] descriptor_l2 L2 descriptor. |
Kojto | 115:87f2f5183dfb | 466 | \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED |
Kojto | 115:87f2f5183dfb | 467 | |
Kojto | 115:87f2f5183dfb | 468 | \return 0 |
Kojto | 115:87f2f5183dfb | 469 | */ |
Kojto | 115:87f2f5183dfb | 470 | __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit) |
Kojto | 115:87f2f5183dfb | 471 | { |
Kojto | 115:87f2f5183dfb | 472 | *descriptor_l2 &= PAGE_S_MASK; |
Kojto | 115:87f2f5183dfb | 473 | *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT); |
Kojto | 115:87f2f5183dfb | 474 | return 0; |
Kojto | 115:87f2f5183dfb | 475 | } |
Kojto | 115:87f2f5183dfb | 476 | |
Kojto | 115:87f2f5183dfb | 477 | /** \brief Set 4k/64k page Global attribute |
Kojto | 115:87f2f5183dfb | 478 | |
Kojto | 115:87f2f5183dfb | 479 | The function sets 4k/64k page Global attribute |
Kojto | 115:87f2f5183dfb | 480 | |
Kojto | 115:87f2f5183dfb | 481 | \param [out] descriptor_l2 L2 descriptor. |
Kojto | 115:87f2f5183dfb | 482 | \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL |
Kojto | 115:87f2f5183dfb | 483 | |
Kojto | 115:87f2f5183dfb | 484 | \return 0 |
Kojto | 115:87f2f5183dfb | 485 | */ |
Kojto | 115:87f2f5183dfb | 486 | __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit) |
Kojto | 115:87f2f5183dfb | 487 | { |
Kojto | 115:87f2f5183dfb | 488 | *descriptor_l2 &= PAGE_NG_MASK; |
Kojto | 115:87f2f5183dfb | 489 | *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT); |
Kojto | 115:87f2f5183dfb | 490 | return 0; |
Kojto | 115:87f2f5183dfb | 491 | } |
Kojto | 115:87f2f5183dfb | 492 | |
Kojto | 115:87f2f5183dfb | 493 | /** \brief Set 4k/64k page Security attribute |
Kojto | 115:87f2f5183dfb | 494 | |
Kojto | 115:87f2f5183dfb | 495 | The function sets 4k/64k page Global attribute |
Kojto | 115:87f2f5183dfb | 496 | |
Kojto | 115:87f2f5183dfb | 497 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 498 | \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE |
Kojto | 115:87f2f5183dfb | 499 | |
Kojto | 115:87f2f5183dfb | 500 | \return 0 |
Kojto | 115:87f2f5183dfb | 501 | */ |
Kojto | 115:87f2f5183dfb | 502 | __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit) |
Kojto | 115:87f2f5183dfb | 503 | { |
Kojto | 115:87f2f5183dfb | 504 | *descriptor_l1 &= PAGE_NS_MASK; |
Kojto | 115:87f2f5183dfb | 505 | *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT); |
Kojto | 115:87f2f5183dfb | 506 | return 0; |
Kojto | 115:87f2f5183dfb | 507 | } |
Kojto | 115:87f2f5183dfb | 508 | |
Kojto | 115:87f2f5183dfb | 509 | |
Kojto | 115:87f2f5183dfb | 510 | /** \brief Set Section memory attributes |
Kojto | 115:87f2f5183dfb | 511 | |
Kojto | 115:87f2f5183dfb | 512 | The function sets section memory attributes |
Kojto | 115:87f2f5183dfb | 513 | |
Kojto | 115:87f2f5183dfb | 514 | \param [out] descriptor_l1 L1 descriptor. |
Kojto | 115:87f2f5183dfb | 515 | \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED |
Kojto | 115:87f2f5183dfb | 516 | \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, |
Kojto | 115:87f2f5183dfb | 517 | \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, |
Kojto | 115:87f2f5183dfb | 518 | |
Kojto | 115:87f2f5183dfb | 519 | \return 0 |
Kojto | 115:87f2f5183dfb | 520 | */ |
Kojto | 115:87f2f5183dfb | 521 | __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner) |
Kojto | 115:87f2f5183dfb | 522 | { |
Kojto | 115:87f2f5183dfb | 523 | *descriptor_l1 &= SECTION_TEXCB_MASK; |
Kojto | 115:87f2f5183dfb | 524 | |
Kojto | 115:87f2f5183dfb | 525 | if (STRONGLY_ORDERED == mem) |
Kojto | 115:87f2f5183dfb | 526 | { |
Kojto | 115:87f2f5183dfb | 527 | return 0; |
Kojto | 115:87f2f5183dfb | 528 | } |
Kojto | 115:87f2f5183dfb | 529 | else if (SHARED_DEVICE == mem) |
Kojto | 115:87f2f5183dfb | 530 | { |
Kojto | 115:87f2f5183dfb | 531 | *descriptor_l1 |= (1 << SECTION_B_SHIFT); |
Kojto | 115:87f2f5183dfb | 532 | } |
Kojto | 115:87f2f5183dfb | 533 | else if (NON_SHARED_DEVICE == mem) |
Kojto | 115:87f2f5183dfb | 534 | { |
Kojto | 115:87f2f5183dfb | 535 | *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT); |
Kojto | 115:87f2f5183dfb | 536 | } |
Kojto | 115:87f2f5183dfb | 537 | else if (NORMAL == mem) |
Kojto | 115:87f2f5183dfb | 538 | { |
Kojto | 115:87f2f5183dfb | 539 | *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT; |
Kojto | 115:87f2f5183dfb | 540 | switch(inner) |
Kojto | 115:87f2f5183dfb | 541 | { |
Kojto | 115:87f2f5183dfb | 542 | case NON_CACHEABLE: |
Kojto | 115:87f2f5183dfb | 543 | break; |
Kojto | 115:87f2f5183dfb | 544 | case WB_WA: |
Kojto | 115:87f2f5183dfb | 545 | *descriptor_l1 |= (1 << SECTION_B_SHIFT); |
Kojto | 115:87f2f5183dfb | 546 | break; |
Kojto | 115:87f2f5183dfb | 547 | case WT: |
Kojto | 115:87f2f5183dfb | 548 | *descriptor_l1 |= 1 << SECTION_C_SHIFT; |
Kojto | 115:87f2f5183dfb | 549 | break; |
Kojto | 115:87f2f5183dfb | 550 | case WB_NO_WA: |
Kojto | 115:87f2f5183dfb | 551 | *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT); |
Kojto | 115:87f2f5183dfb | 552 | break; |
Kojto | 115:87f2f5183dfb | 553 | } |
Kojto | 115:87f2f5183dfb | 554 | switch(outer) |
Kojto | 115:87f2f5183dfb | 555 | { |
Kojto | 115:87f2f5183dfb | 556 | case NON_CACHEABLE: |
Kojto | 115:87f2f5183dfb | 557 | break; |
Kojto | 115:87f2f5183dfb | 558 | case WB_WA: |
Kojto | 115:87f2f5183dfb | 559 | *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT); |
Kojto | 115:87f2f5183dfb | 560 | break; |
Kojto | 115:87f2f5183dfb | 561 | case WT: |
Kojto | 115:87f2f5183dfb | 562 | *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT; |
Kojto | 115:87f2f5183dfb | 563 | break; |
Kojto | 115:87f2f5183dfb | 564 | case WB_NO_WA: |
Kojto | 115:87f2f5183dfb | 565 | *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT); |
Kojto | 115:87f2f5183dfb | 566 | break; |
Kojto | 115:87f2f5183dfb | 567 | } |
Kojto | 115:87f2f5183dfb | 568 | } |
Kojto | 115:87f2f5183dfb | 569 | |
Kojto | 115:87f2f5183dfb | 570 | return 0; |
Kojto | 115:87f2f5183dfb | 571 | } |
Kojto | 115:87f2f5183dfb | 572 | |
Kojto | 115:87f2f5183dfb | 573 | /** \brief Set 4k/64k page memory attributes |
Kojto | 115:87f2f5183dfb | 574 | |
Kojto | 115:87f2f5183dfb | 575 | The function sets 4k/64k page memory attributes |
Kojto | 115:87f2f5183dfb | 576 | |
Kojto | 115:87f2f5183dfb | 577 | \param [out] descriptor_l2 L2 descriptor. |
Kojto | 115:87f2f5183dfb | 578 | \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED |
Kojto | 115:87f2f5183dfb | 579 | \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, |
Kojto | 115:87f2f5183dfb | 580 | \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA, |
Kojto | 115:87f2f5183dfb | 581 | |
Kojto | 115:87f2f5183dfb | 582 | \return 0 |
Kojto | 115:87f2f5183dfb | 583 | */ |
Kojto | 115:87f2f5183dfb | 584 | __STATIC_INLINE int __memory_page(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page) |
Kojto | 115:87f2f5183dfb | 585 | { |
Kojto | 115:87f2f5183dfb | 586 | *descriptor_l2 &= PAGE_4K_TEXCB_MASK; |
Kojto | 115:87f2f5183dfb | 587 | |
Kojto | 115:87f2f5183dfb | 588 | if (page == PAGE_64k) |
Kojto | 115:87f2f5183dfb | 589 | { |
Kojto | 115:87f2f5183dfb | 590 | //same as section |
Kojto | 115:87f2f5183dfb | 591 | __memory_section(descriptor_l2, mem, outer, inner); |
Kojto | 115:87f2f5183dfb | 592 | } |
Kojto | 115:87f2f5183dfb | 593 | else |
Kojto | 115:87f2f5183dfb | 594 | { |
Kojto | 115:87f2f5183dfb | 595 | if (STRONGLY_ORDERED == mem) |
Kojto | 115:87f2f5183dfb | 596 | { |
Kojto | 115:87f2f5183dfb | 597 | return 0; |
Kojto | 115:87f2f5183dfb | 598 | } |
Kojto | 115:87f2f5183dfb | 599 | else if (SHARED_DEVICE == mem) |
Kojto | 115:87f2f5183dfb | 600 | { |
Kojto | 115:87f2f5183dfb | 601 | *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); |
Kojto | 115:87f2f5183dfb | 602 | } |
Kojto | 115:87f2f5183dfb | 603 | else if (NON_SHARED_DEVICE == mem) |
Kojto | 115:87f2f5183dfb | 604 | { |
Kojto | 115:87f2f5183dfb | 605 | *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT); |
Kojto | 115:87f2f5183dfb | 606 | } |
Kojto | 115:87f2f5183dfb | 607 | else if (NORMAL == mem) |
Kojto | 115:87f2f5183dfb | 608 | { |
Kojto | 115:87f2f5183dfb | 609 | *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT; |
Kojto | 115:87f2f5183dfb | 610 | switch(inner) |
Kojto | 115:87f2f5183dfb | 611 | { |
Kojto | 115:87f2f5183dfb | 612 | case NON_CACHEABLE: |
Kojto | 115:87f2f5183dfb | 613 | break; |
Kojto | 115:87f2f5183dfb | 614 | case WB_WA: |
Kojto | 115:87f2f5183dfb | 615 | *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT); |
Kojto | 115:87f2f5183dfb | 616 | break; |
Kojto | 115:87f2f5183dfb | 617 | case WT: |
Kojto | 115:87f2f5183dfb | 618 | *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT; |
Kojto | 115:87f2f5183dfb | 619 | break; |
Kojto | 115:87f2f5183dfb | 620 | case WB_NO_WA: |
Kojto | 115:87f2f5183dfb | 621 | *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT); |
Kojto | 115:87f2f5183dfb | 622 | break; |
Kojto | 115:87f2f5183dfb | 623 | } |
Kojto | 115:87f2f5183dfb | 624 | switch(outer) |
Kojto | 115:87f2f5183dfb | 625 | { |
Kojto | 115:87f2f5183dfb | 626 | case NON_CACHEABLE: |
Kojto | 115:87f2f5183dfb | 627 | break; |
Kojto | 115:87f2f5183dfb | 628 | case WB_WA: |
Kojto | 115:87f2f5183dfb | 629 | *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT); |
Kojto | 115:87f2f5183dfb | 630 | break; |
Kojto | 115:87f2f5183dfb | 631 | case WT: |
Kojto | 115:87f2f5183dfb | 632 | *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT; |
Kojto | 115:87f2f5183dfb | 633 | break; |
Kojto | 115:87f2f5183dfb | 634 | case WB_NO_WA: |
Kojto | 115:87f2f5183dfb | 635 | *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT); |
Kojto | 115:87f2f5183dfb | 636 | break; |
Kojto | 115:87f2f5183dfb | 637 | } |
Kojto | 115:87f2f5183dfb | 638 | } |
Kojto | 115:87f2f5183dfb | 639 | } |
Kojto | 115:87f2f5183dfb | 640 | |
Kojto | 115:87f2f5183dfb | 641 | return 0; |
Kojto | 115:87f2f5183dfb | 642 | } |
Kojto | 115:87f2f5183dfb | 643 | |
Kojto | 115:87f2f5183dfb | 644 | /** \brief Create a L1 section descriptor |
Kojto | 115:87f2f5183dfb | 645 | |
Kojto | 115:87f2f5183dfb | 646 | The function creates a section descriptor. |
Kojto | 115:87f2f5183dfb | 647 | |
Kojto | 115:87f2f5183dfb | 648 | Assumptions: |
Kojto | 115:87f2f5183dfb | 649 | - 16MB super sections not supported |
Kojto | 115:87f2f5183dfb | 650 | - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor |
Kojto | 115:87f2f5183dfb | 651 | - Functions always return 0 |
Kojto | 115:87f2f5183dfb | 652 | |
Kojto | 115:87f2f5183dfb | 653 | \param [out] descriptor L1 descriptor |
Kojto | 115:87f2f5183dfb | 654 | \param [out] descriptor2 L2 descriptor |
Kojto | 115:87f2f5183dfb | 655 | \param [in] reg Section attributes |
Kojto | 115:87f2f5183dfb | 656 | |
Kojto | 115:87f2f5183dfb | 657 | \return 0 |
Kojto | 115:87f2f5183dfb | 658 | */ |
Kojto | 115:87f2f5183dfb | 659 | __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg) |
Kojto | 115:87f2f5183dfb | 660 | { |
Kojto | 115:87f2f5183dfb | 661 | *descriptor = 0; |
Kojto | 115:87f2f5183dfb | 662 | |
Kojto | 115:87f2f5183dfb | 663 | __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t); |
Kojto | 115:87f2f5183dfb | 664 | __xn_section(descriptor,reg.xn_t); |
Kojto | 115:87f2f5183dfb | 665 | __domain_section(descriptor, reg.domain); |
Kojto | 115:87f2f5183dfb | 666 | __p_section(descriptor, reg.e_t); |
Kojto | 115:87f2f5183dfb | 667 | __ap_section(descriptor, reg.priv_t, reg.user_t, 1); |
Kojto | 115:87f2f5183dfb | 668 | __shared_section(descriptor,reg.sh_t); |
Kojto | 115:87f2f5183dfb | 669 | __global_section(descriptor,reg.g_t); |
Kojto | 115:87f2f5183dfb | 670 | __secure_section(descriptor,reg.sec_t); |
Kojto | 115:87f2f5183dfb | 671 | *descriptor &= SECTION_MASK; |
Kojto | 115:87f2f5183dfb | 672 | *descriptor |= SECTION_DESCRIPTOR; |
Kojto | 115:87f2f5183dfb | 673 | |
Kojto | 115:87f2f5183dfb | 674 | return 0; |
Kojto | 115:87f2f5183dfb | 675 | |
Kojto | 115:87f2f5183dfb | 676 | } |
Kojto | 115:87f2f5183dfb | 677 | |
Kojto | 115:87f2f5183dfb | 678 | |
Kojto | 115:87f2f5183dfb | 679 | /** \brief Create a L1 and L2 4k/64k page descriptor |
Kojto | 115:87f2f5183dfb | 680 | |
Kojto | 115:87f2f5183dfb | 681 | The function creates a 4k/64k page descriptor. |
Kojto | 115:87f2f5183dfb | 682 | Assumptions: |
Kojto | 115:87f2f5183dfb | 683 | - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor |
Kojto | 115:87f2f5183dfb | 684 | - Functions always return 0 |
Kojto | 115:87f2f5183dfb | 685 | |
Kojto | 115:87f2f5183dfb | 686 | \param [out] descriptor L1 descriptor |
Kojto | 115:87f2f5183dfb | 687 | \param [out] descriptor2 L2 descriptor |
Kojto | 115:87f2f5183dfb | 688 | \param [in] reg 4k/64k page attributes |
Kojto | 115:87f2f5183dfb | 689 | |
Kojto | 115:87f2f5183dfb | 690 | \return 0 |
Kojto | 115:87f2f5183dfb | 691 | */ |
Kojto | 115:87f2f5183dfb | 692 | __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg) |
Kojto | 115:87f2f5183dfb | 693 | { |
Kojto | 115:87f2f5183dfb | 694 | *descriptor = 0; |
Kojto | 115:87f2f5183dfb | 695 | *descriptor2 = 0; |
Kojto | 115:87f2f5183dfb | 696 | |
Kojto | 115:87f2f5183dfb | 697 | switch (reg.rg_t) |
Kojto | 115:87f2f5183dfb | 698 | { |
Kojto | 115:87f2f5183dfb | 699 | case PAGE_4k: |
Kojto | 115:87f2f5183dfb | 700 | __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k); |
Kojto | 115:87f2f5183dfb | 701 | __xn_page(descriptor2, reg.xn_t, PAGE_4k); |
Kojto | 115:87f2f5183dfb | 702 | __domain_page(descriptor, reg.domain); |
Kojto | 115:87f2f5183dfb | 703 | __p_page(descriptor, reg.e_t); |
Kojto | 115:87f2f5183dfb | 704 | __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); |
Kojto | 115:87f2f5183dfb | 705 | __shared_page(descriptor2,reg.sh_t); |
Kojto | 115:87f2f5183dfb | 706 | __global_page(descriptor2,reg.g_t); |
Kojto | 115:87f2f5183dfb | 707 | __secure_page(descriptor,reg.sec_t); |
Kojto | 115:87f2f5183dfb | 708 | *descriptor &= PAGE_L1_MASK; |
Kojto | 115:87f2f5183dfb | 709 | *descriptor |= PAGE_L1_DESCRIPTOR; |
Kojto | 115:87f2f5183dfb | 710 | *descriptor2 &= PAGE_L2_4K_MASK; |
Kojto | 115:87f2f5183dfb | 711 | *descriptor2 |= PAGE_L2_4K_DESC; |
Kojto | 115:87f2f5183dfb | 712 | break; |
Kojto | 115:87f2f5183dfb | 713 | |
Kojto | 115:87f2f5183dfb | 714 | case PAGE_64k: |
Kojto | 115:87f2f5183dfb | 715 | __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k); |
Kojto | 115:87f2f5183dfb | 716 | __xn_page(descriptor2, reg.xn_t, PAGE_64k); |
Kojto | 115:87f2f5183dfb | 717 | __domain_page(descriptor, reg.domain); |
Kojto | 115:87f2f5183dfb | 718 | __p_page(descriptor, reg.e_t); |
Kojto | 115:87f2f5183dfb | 719 | __ap_page(descriptor2, reg.priv_t, reg.user_t, 1); |
Kojto | 115:87f2f5183dfb | 720 | __shared_page(descriptor2,reg.sh_t); |
Kojto | 115:87f2f5183dfb | 721 | __global_page(descriptor2,reg.g_t); |
Kojto | 115:87f2f5183dfb | 722 | __secure_page(descriptor,reg.sec_t); |
Kojto | 115:87f2f5183dfb | 723 | *descriptor &= PAGE_L1_MASK; |
Kojto | 115:87f2f5183dfb | 724 | *descriptor |= PAGE_L1_DESCRIPTOR; |
Kojto | 115:87f2f5183dfb | 725 | *descriptor2 &= PAGE_L2_64K_MASK; |
Kojto | 115:87f2f5183dfb | 726 | *descriptor2 |= PAGE_L2_64K_DESC; |
Kojto | 115:87f2f5183dfb | 727 | break; |
Kojto | 115:87f2f5183dfb | 728 | |
Kojto | 115:87f2f5183dfb | 729 | case SECTION: |
Kojto | 115:87f2f5183dfb | 730 | //error |
Kojto | 115:87f2f5183dfb | 731 | break; |
Kojto | 115:87f2f5183dfb | 732 | |
Kojto | 115:87f2f5183dfb | 733 | } |
Kojto | 115:87f2f5183dfb | 734 | |
Kojto | 115:87f2f5183dfb | 735 | return 0; |
Kojto | 115:87f2f5183dfb | 736 | |
Kojto | 115:87f2f5183dfb | 737 | } |
Kojto | 115:87f2f5183dfb | 738 | |
Kojto | 115:87f2f5183dfb | 739 | /** \brief Create a 1MB Section |
Kojto | 115:87f2f5183dfb | 740 | |
Kojto | 115:87f2f5183dfb | 741 | \param [in] ttb Translation table base address |
Kojto | 115:87f2f5183dfb | 742 | \param [in] base_address Section base address |
Kojto | 115:87f2f5183dfb | 743 | \param [in] count Number of sections to create |
Kojto | 115:87f2f5183dfb | 744 | \param [in] descriptor_l1 L1 descriptor (region attributes) |
Kojto | 115:87f2f5183dfb | 745 | |
Kojto | 115:87f2f5183dfb | 746 | */ |
Kojto | 115:87f2f5183dfb | 747 | __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1) |
Kojto | 115:87f2f5183dfb | 748 | { |
Kojto | 115:87f2f5183dfb | 749 | uint32_t offset; |
Kojto | 115:87f2f5183dfb | 750 | uint32_t entry; |
Kojto | 115:87f2f5183dfb | 751 | uint32_t i; |
Kojto | 115:87f2f5183dfb | 752 | |
Kojto | 115:87f2f5183dfb | 753 | offset = base_address >> 20; |
Kojto | 115:87f2f5183dfb | 754 | entry = (base_address & 0xFFF00000) | descriptor_l1; |
Kojto | 115:87f2f5183dfb | 755 | |
Kojto | 115:87f2f5183dfb | 756 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 757 | ttb = ttb + offset; |
Kojto | 115:87f2f5183dfb | 758 | |
Kojto | 115:87f2f5183dfb | 759 | for (i = 0; i < count; i++ ) |
Kojto | 115:87f2f5183dfb | 760 | { |
Kojto | 115:87f2f5183dfb | 761 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 762 | *ttb++ = entry; |
Kojto | 115:87f2f5183dfb | 763 | entry += OFFSET_1M; |
Kojto | 115:87f2f5183dfb | 764 | } |
Kojto | 115:87f2f5183dfb | 765 | } |
Kojto | 115:87f2f5183dfb | 766 | |
Kojto | 115:87f2f5183dfb | 767 | /** \brief Create a 4k page entry |
Kojto | 115:87f2f5183dfb | 768 | |
Kojto | 115:87f2f5183dfb | 769 | \param [in] ttb L1 table base address |
Kojto | 115:87f2f5183dfb | 770 | \param [in] base_address 4k base address |
Kojto | 115:87f2f5183dfb | 771 | \param [in] count Number of 4k pages to create |
Kojto | 115:87f2f5183dfb | 772 | \param [in] descriptor_l1 L1 descriptor (region attributes) |
Kojto | 115:87f2f5183dfb | 773 | \param [in] ttb_l2 L2 table base address |
Kojto | 115:87f2f5183dfb | 774 | \param [in] descriptor_l2 L2 descriptor (region attributes) |
Kojto | 115:87f2f5183dfb | 775 | |
Kojto | 115:87f2f5183dfb | 776 | */ |
Kojto | 115:87f2f5183dfb | 777 | __STATIC_INLINE void __TTPage_4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) |
Kojto | 115:87f2f5183dfb | 778 | { |
Kojto | 115:87f2f5183dfb | 779 | |
Kojto | 115:87f2f5183dfb | 780 | uint32_t offset, offset2; |
Kojto | 115:87f2f5183dfb | 781 | uint32_t entry, entry2; |
Kojto | 115:87f2f5183dfb | 782 | uint32_t i; |
Kojto | 115:87f2f5183dfb | 783 | |
Kojto | 115:87f2f5183dfb | 784 | |
Kojto | 115:87f2f5183dfb | 785 | offset = base_address >> 20; |
Kojto | 115:87f2f5183dfb | 786 | entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; |
Kojto | 115:87f2f5183dfb | 787 | |
Kojto | 115:87f2f5183dfb | 788 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 789 | ttb += offset; |
Kojto | 115:87f2f5183dfb | 790 | //create l1_entry |
Kojto | 115:87f2f5183dfb | 791 | *ttb = entry; |
Kojto | 115:87f2f5183dfb | 792 | |
Kojto | 115:87f2f5183dfb | 793 | offset2 = (base_address & 0xff000) >> 12; |
Kojto | 115:87f2f5183dfb | 794 | ttb_l2 += offset2; |
Kojto | 115:87f2f5183dfb | 795 | entry2 = (base_address & 0xFFFFF000) | descriptor_l2; |
Kojto | 115:87f2f5183dfb | 796 | for (i = 0; i < count; i++ ) |
Kojto | 115:87f2f5183dfb | 797 | { |
Kojto | 115:87f2f5183dfb | 798 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 799 | *ttb_l2++ = entry2; |
Kojto | 115:87f2f5183dfb | 800 | entry2 += OFFSET_4K; |
Kojto | 115:87f2f5183dfb | 801 | } |
Kojto | 115:87f2f5183dfb | 802 | } |
Kojto | 115:87f2f5183dfb | 803 | |
Kojto | 115:87f2f5183dfb | 804 | /** \brief Create a 64k page entry |
Kojto | 115:87f2f5183dfb | 805 | |
Kojto | 115:87f2f5183dfb | 806 | \param [in] ttb L1 table base address |
Kojto | 115:87f2f5183dfb | 807 | \param [in] base_address 64k base address |
Kojto | 115:87f2f5183dfb | 808 | \param [in] count Number of 64k pages to create |
Kojto | 115:87f2f5183dfb | 809 | \param [in] descriptor_l1 L1 descriptor (region attributes) |
Kojto | 115:87f2f5183dfb | 810 | \param [in] ttb_l2 L2 table base address |
Kojto | 115:87f2f5183dfb | 811 | \param [in] descriptor_l2 L2 descriptor (region attributes) |
Kojto | 115:87f2f5183dfb | 812 | |
Kojto | 115:87f2f5183dfb | 813 | */ |
Kojto | 115:87f2f5183dfb | 814 | __STATIC_INLINE void __TTPage_64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 ) |
Kojto | 115:87f2f5183dfb | 815 | { |
Kojto | 115:87f2f5183dfb | 816 | uint32_t offset, offset2; |
Kojto | 115:87f2f5183dfb | 817 | uint32_t entry, entry2; |
Kojto | 115:87f2f5183dfb | 818 | uint32_t i,j; |
Kojto | 115:87f2f5183dfb | 819 | |
Kojto | 115:87f2f5183dfb | 820 | |
Kojto | 115:87f2f5183dfb | 821 | offset = base_address >> 20; |
Kojto | 115:87f2f5183dfb | 822 | entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1; |
Kojto | 115:87f2f5183dfb | 823 | |
Kojto | 115:87f2f5183dfb | 824 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 825 | ttb += offset; |
Kojto | 115:87f2f5183dfb | 826 | //create l1_entry |
Kojto | 115:87f2f5183dfb | 827 | *ttb = entry; |
Kojto | 115:87f2f5183dfb | 828 | |
Kojto | 115:87f2f5183dfb | 829 | offset2 = (base_address & 0xff000) >> 12; |
Kojto | 115:87f2f5183dfb | 830 | ttb_l2 += offset2; |
Kojto | 115:87f2f5183dfb | 831 | entry2 = (base_address & 0xFFFF0000) | descriptor_l2; |
Kojto | 115:87f2f5183dfb | 832 | for (i = 0; i < count; i++ ) |
Kojto | 115:87f2f5183dfb | 833 | { |
Kojto | 115:87f2f5183dfb | 834 | //create 16 entries |
Kojto | 115:87f2f5183dfb | 835 | for (j = 0; j < 16; j++) |
Kojto | 115:87f2f5183dfb | 836 | //4 bytes aligned |
Kojto | 115:87f2f5183dfb | 837 | *ttb_l2++ = entry2; |
Kojto | 115:87f2f5183dfb | 838 | entry2 += OFFSET_64K; |
Kojto | 115:87f2f5183dfb | 839 | } |
Kojto | 115:87f2f5183dfb | 840 | } |
Kojto | 115:87f2f5183dfb | 841 | |
Kojto | 115:87f2f5183dfb | 842 | /*@} end of MMU_Functions */ |
Kojto | 115:87f2f5183dfb | 843 | #endif |
Kojto | 115:87f2f5183dfb | 844 | |
Kojto | 115:87f2f5183dfb | 845 | #ifdef __cplusplus |
Kojto | 115:87f2f5183dfb | 846 | } |
Kojto | 115:87f2f5183dfb | 847 | #endif |